How To Fix WSTI_CALC018 - Internal error: Required parameters not specified

SAP Error Message - Details

• Message type: E = Error

• Message class: WSTI_CALC - Physical Inventory Messages: Book Inv. Calc. at Count Time

• Message number: 018

• Message text: Internal error: Required parameters not specified

What causes this issue?

Some required parameters were not specified when a function module was
accessed.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

This is an internal error that you will not be able to correct yourself.
Notify your system administrator. Some of the data may not have been
processed.

Procedure for System Administrators

This message is displayed by function modules
WSTI_STOCK_CALCULATE_SERIAL, WSTI_STOCK_SIMULATE, and
WSTI_STOCK_DATA_QUERY.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WSTI_CALC018 - Internal error: Required parameters not specified ?

  The SAP error message:
  WSTI_CALC018 Internal error: Required parameters not specified
  
  Cause
  This error typically occurs during the calculation or processing of time evaluation or time-related functions in SAP HR (Human Resources) or Payroll modules. The message indicates that some mandatory input parameters required for the internal function or routine are missing or not passed correctly.
  Common causes include:
  
  Missing or incomplete configuration in time evaluation schemas or rules.
  Incorrect or incomplete data in infotypes related to time management (e.g., Infotype 0007 - Planned Working Time, Infotype 0008 - Basic Pay).
  Missing or incorrect parameters in function modules or custom enhancements related to time evaluation.
  Issues in the integration between time evaluation and payroll or other HR components.
  Custom code or user exits/enhancements that call standard SAP functions without providing all required parameters.
  
  
  Solution
  
  
  Check the Time Evaluation Configuration:
  
  Verify the time evaluation schema and rules to ensure all required parameters are correctly maintained.
  Check the configuration of work schedules, planned working times, and related infotypes.
  
  
  
  Verify Infotype Data:
  
  Ensure that all relevant infotypes (especially 0007, 0008, 2001, 2010, etc.) have complete and correct data for the employee.
  Missing or inconsistent data can cause parameter errors.
  
  
  
  Debug the Error:
  
  Use transaction SM37 to find the background job or SM50/SM66 to trace the process.
  Use ST22 to check for dumps related to this error.
  Debug the time evaluation or payroll processing to identify where the parameters are missing.
  
  
  
  Check Custom Code and Enhancements:
  
  Review any user exits, BAdIs, or custom function modules involved in time evaluation or payroll.
  Ensure that all required parameters are passed correctly.
  
  
  
  SAP Notes and Support:
  
  Search for SAP Notes related to message WSTI_CALC018.
  Apply any relevant SAP Notes or patches.
  
  
  
  Re-run Time Evaluation:
  
  After corrections, re-run time evaluation (transaction PT60) to verify if the error is resolved.
  
  
  
  
  Related Information
  
  
  Transaction Codes:
  
  PT60 - Time Evaluation
  PA20/PA30 - Display/Maintain HR Master Data
  SM37 - Job Monitoring
  ST22 - ABAP Runtime Errors
  SM50/SM66 - Process Monitoring
  
  
  
  Relevant Infotypes:
  
  0007 - Planned Working Time
  0008 - Basic Pay
  2001 - Absences
  2010 - Substitutions
  
  
  
  SAP Notes:
  
  Check SAP Support Portal for notes mentioning WSTI_CALC018.
  Example note numbers might vary depending on SAP version and patch level.
  
  
  
  Modules Involved:
  
  SAP HR Time Management
  SAP Payroll
  
  
  
  
  If the problem persists after checking the above, consider raising a support ticket with SAP, providing detailed logs, screenshots, and system information.